CVE-2026-114090 Trigger.dev cli-v3 - Authentication Bypass

Trigger.dev cli-v3 > 3.0.0 and < 4.5.4 contains a missing authentication vulnerability in the trigger dev --mcp server, exposing /sse and /messages endpoints, letting LAN attackers invoke task management actions using stored access tokens, exploit requires attacker on LAN or malicious web page.

CVSS base score 7.1 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
View the NVD record ↗

Details

Type
Authentication Bypass
Impact
Broken Authentication
CVSS vector
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
Published
21 October 2026
Updated
21 October 2026
Weakness
CWE-306

Vendor fix

Upgrade to version 4.5.4 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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